Sleeping bag



Nov. 7, 1939.

N. E. PHILLIPS ET AL SLEEPING BAG Filed Feb.- 9, 1938 hnll. l bln/l Illlllllllllllllll .Illlrlld Patented Nov. 7, 1939 `"UNITED STATES PATENT OFFIQE Norman. E. Phillips and Peter K;

Washington, D. C.

Application February 9, 1938, Serial No. 189,680

1 Claim.

A further object of the invention is to provide a bag having oppositely arranged sides, both of which sides are filled with heat insulating material, and are uniform in thickness throughout susbtantially their entire areas.

A further object of the invention is to provide a sleeping bag which is Water repellent to a considerable extent and yet will permit of some degree of ventilation through its Walls.

A further object of the invention is to provide 1 means for connecting the opposite edges of the free end of one side of the bag, for contracting the bag laterally about the neck and chest of the user and produce a portion of double thickness, and for `connecting the opposite edges oi the free hood.

A further object ci the invention is to provide endo the other side of the bag for providing a a sleeping bag which may be made in companion side sections `of simpliiied design, embodying straight lines, thus reducing the cost of tion.

produc- Other objects and advantages of the invention will be apparent during the course of the following description.

In the accompanyingdrawing forming a part of this application and in which like numerals are employed tok designate like parts throughout the same,

Figure l is a perspective view or" a sleeping bag embodying our invention, showing the same unoccupied by the user,

Figure 2 is a similar View, with parts of the bag arranged as when occupied by the user,

Figure 3 is a transverse section taken on line 3--3 of Figure 1, and,

Figure ll is a .fragmentary transverse section In the drawing, wherein for the purpose of illustration is shown a preferred embodiment of our invention, the numerals 5 and Ii designate which are preferably parallel.

The side members 5 and 6 have transverse end edges 9, arranged at a right angleto the'edges 'I and t and free transverse edges il and I l, also arran-ged at a right angle to the edges 'l and B. The side members 5 and 6 `have diagonal side edges I2, converging toward the closed end edges B, with respect to the side edges l1. The closed end of the bag therefore has one side tapered, as the user ordinarily bends the legs to some extent, in sleeping. The present bag isshown as intended for use by one sleeping upon the right side, andthe bag may also be constructed by placing the diagonal edges I2 upon the opposite edges of the bag, for sleeping on the left side.

including outer and inner walls or sheets I3 and iii, and an intermediate wall I5. The outer and inner walls `I 3 and lli are made of a flexible fabric which is water repellent,` to a considerable eX- tent and also downproof. l This fabric is closely woven and is relatively stout, and is dipped in a water proong solution to render it water repellent, but the `fabric is not coated with a continuous Iilm asis the case with `rubber dam. While this fabric is water repellent and down proof, it is not airtight as one may breathe through it. 'This is highly desirable as it provides for a suitable degree oi ventilation for the entire bag. The `wall or divider I5 is fabric and may be formed of muslin or the like. In the con'Y struction of each side member, the divider I5 is attached to the outer wall i3 byv spaced longitudinal rows of stitches it, and the divider I5 is also secured to the inner wall it by spaced longitudinal rows of stitches il. The stitches I'I are staggered with respect to the stitches I6 whereby the divider I5 forms with the outer andvinner walls I3 and M alternately arranged longitudinal pockets I8 and I9. These pockets I8 and I9 are triangular in cross section and face or taper in opposite directions. The pockets are filled with flexible and `cornpressible heat insulating material I9' such as down, or feathers, or a mixture of the two. By the alternate arrangement o1 the triangular pockets Iii and I9, with the apex of one pocket facing toward the base of the other pocket, when; these pockets are lled with the Each side member 5 and 6 comprising av casing 1 down or the like, the pockets serve to hold the the outer and inner walls I3 and I4 and the divider i5 are stitched together throughout their marginal edges as shown at 2D, the stitching extending about the longitudinal edges 1, 8 and l2, and the closed end edge 9. The longitudinal pockets are then filled with the down or the like and the free transverse edges I and Il are stitched together, as shown at 2l. The side member may then be arranged upon the side member 6, and these side members 5 and 6 stitched together throughout their marginal edges, extending from a point 22 to a point 23, as shown at 24.

rIhe points 22 and 23 being spaced inwardly a substantial distance from the free edge l0, and the side member 5 is provided with a chest flap 25, which may be regarded as having a length extending from the points 22 and 23 to the free edge I9. This flap is integral with the side member 5 and is free from connection with the side member 6. The chest flap 25 is provided at one end with a socket 26, suitably secured thereto and at its opposite end with a stud 21, also suitably secured thereto. The stud and socket extend upon the opposite surfaces of the side member 5, before the flap 25 is folded, and the stud and socket constitutes a snap fastener, of the ordinary type used upon gloves or the like.

The side member 6 extends longitudinally beyond the flap 25 and beyond the points 22 and 23 'for forming a hood flap 28, considerably longer than the flap 25. The hood flap 28 is separate from the flap 25, forming slits 29 therewith. Attached to one end of the flap 28 is a socket 30, and a stud 3|, extending to the opposite sides of the flap 28. The stud 30 and socket 3| constitutes a snap fastener such as are used upon gloves or the like.

In the use of the bag, the same may be laid upon the floor or the like and will assume the position shown in Figure 1. The user may crawl into the open end of the bag at the edges I0 and Il and after suitably arranging himself therein, the ends of the chest flap 25 are folded inwardly and such ends are connected by the socket 2B and stud 2l. 'Ihis causes the free end of the bag to somewhat taper to conform generally to the contour of the shoulders. The folding of the chest flap 25 provides a chest protecting portion of "double thickness throughout the major portion of its area which covers the chest. The head now projects beyond this chest portion and the free ends of the hood flap are folded forwardly and inwardly to surround the head and chest portion with the head within the hood portion, which is now tubular. 'Ihe outer end of the tubular hood portion is open and the head may be moved entirely within the hood portion or partly out of the same, to suit the convenience of the user.

It is to be understood that the form of our invention herewith shown and described is to be taken as a preferred example of the same and that various changes in the shape, size, and arrangement of parts, may be resorted to, Without departing from the spirit of our invention or the scope of the subjoined claim.

Having thus described our invention, we claim:

A sleeping bag comprising, oppositely arranged sides which are attached together at their longitudinal edges and at one end edge only for forming a bag which is closed at one end and open at the opposite end, one side extending longitudinally for a substantial distance beyond its edge attachments to afford a chest flap which extends beyond the open end of the bag, said chest flap being continuous throughout substantially its entire area and free from a central opening, the other side extending longitudinally for a substantial distance beyond its longitudinal edge attachments and beyond the free end of the chest ap for providing a hood flap, the chest flap and the hood flap when the bag is empty and the flaps are lying substantially flat, overlapping each other and providing arm receiving passages at the longitudinal edges of the bag, which passages are inwardly of the free end of the chest flap, fastening elements attached to the hood ap near its free end and near its longitudinal edges, the arrangement of the fastening elements being such that the hood may be folded about the head by passing the arms through the arm receiving passages and the fastening elements secured together, and fastening elements' ments of the chest ap being adapted to be se-` cured together by the hand or hands of the user within the bag, the folding of the chest flap providing a double thickness for the chest ap throughout a considerable extent of its area.

NORMAN E. PHILLIPS. PETER K. FAERBER. 

